1002252345 has 16 divisors (see below), whose sum is σ = 1605432960. Its totient is φ = 533924864.

The previous prime is 1002252343. The next prime is 1002252353. The reversal of 1002252345 is 5432522001.

It is a cyclic number.

It is not a de Polignac number, because 1002252345 - 2¹ = 1002252343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002252341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24360 + ... + 50969.

It is an arithmetic number, because the mean of its divisors is an integer number (100339560).

Almost surely, 2^1002252345 is an apocalyptic number.

1002252345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002252345 is a deficient number, since it is larger than the sum of its proper divisors (603180615).

1002252345 is an equidigital number, since it uses as much as digits as its factorization.

1002252345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76224.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1002252345 is about 31658.3692725952. The cubic root of 1002252345 is about 1000.7502186978.

Adding to 1002252345 its reverse (5432522001), we get a palindrome (6434774346).

The spelling of 1002252345 in words is "one billion, two million, two hundred fifty-two thousand, three hundred forty-five".